docs: def processURI(self, uri, prefix=''):
          """
          helper function to return just the path (uri) and whether or not it's
          busted
          """
          components = urlparse.urlparse(uri)
          query = dict(urlparse.parse_qsl(components.query))
          bust = True
          bust &= bool(query)  # bust the cache if the query has stuff in it
          # bust the cache if the query key 'cache' isn't true
          bust &= query.get('cache') != 'true'
          return prefix + components.path, bust